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Finding the Fourth Proportional to 222,705.20, 333,280.20 and 152,721.20

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Solution

The fourth proportional to 222,705.20, 333,280.20 and 152,721.20 is: 228,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,705.20 : 333,280.20 = 152,721.20 : x
  2. Step 2: Convert to fraction form
    222,705.20/333,280.20 = 152,721.20/x
  3. Step 3: Cross multiply
    222,705.20x = 333,280.20 × 152,721.20
  4. Step 4: Simplify right side
    222,705.20x = 50,898,952,080.24
  5. Step 5: Solve for x
    x = 50,898,952,080.24/222,705.20
  6. Step 6: Final answer
    x = 228,548.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.